PTS811-1.6-DN40,PTS811-1.6-DN50,PTS811-1.6-DN65,PTS811-1.6-DN80,气动平衡笼式调节阀

预留尺寸




1.6


2.5


4.0


6.4


1.6


2.5


4.0


6.4




40

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